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Pat. 11146179 United States, Int. Cl.22 H02M 5/458, H02M 7/493, H02M 1/00. Power conversion device, power conversion system, and power conversion method : Appl. N 16/795594 : Filed 20.02.2020 : Pub. 12.10.2021 : / Akira Yamazaki, Kentaro Inomata, Masato Higuchi ; Assignee Yaskawa Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11146179/en?oq=US11146179.html (дата обращения: ДД.ММ.ГГГГ).